Quarterly report pursuant to Section 13 or 15(d)

Noncontrolling Interests in Subsidiaries (Details)

v3.2.0.727
Noncontrolling Interests in Subsidiaries (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
USD ($)
equipment
Jun. 30, 2014
USD ($)
Jun. 30, 2015
USD ($)
equipment
Jun. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries $ 104,651   $ 104,651   $ 117,993
Net Income (Loss) (8,501) $ 27,525 (26,402) $ 41,240  
Net Income (Loss) Attributable to Noncontrolling Interest (9,188) $ 6,458 (7,520) 8,664  
Illinois Corn Processing LLC [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries         16,397
Offshore Marine Services [Member] | Windcat Workboats Ltd. [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries 8,502   8,502   7,527
Assets, Net $ 34,000   34,000    
Net Income (Loss)     3,600 (100)  
Net Income (Loss) Attributable to Noncontrolling Interest     $ 900    
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 25.00%   25.00%    
Offshore Marine Services [Member] | Other Offshore Marine Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries $ 839   $ 839   1,323
Inland River Services [Member] | Other Inland River Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries 1,094   1,094   1,088
Shipping Services [Member] | Sea-Vista [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries 73,043   73,043   89,680
Assets, Net $ 149,100   149,100    
Net Income (Loss)     $ (25,900) 4,100  
Net Income (Loss) Attributable to Noncontrolling Interest       2,000  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 49.00%   49.00%    
Illinois Corn Processing LLC [Member] | Illinois Corn Processing LLC [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries $ 20,764   $ 20,764    
Assets, Net $ 69,200   69,200    
Net Income (Loss)     14,600 23,800  
Net Income (Loss) Attributable to Noncontrolling Interest     $ 4,400 $ 6,000  
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 30.00%   30.00%    
Other Segments [Member] | Other Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling interests in subsidiaries $ 409   $ 409   $ 1,978
Minimum [Member] | Offshore Marine Services [Member] | Other Offshore Marine Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 1.80%   1.80%    
Minimum [Member] | Inland River Services [Member] | Other Inland River Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 3.00%   3.00%    
Minimum [Member] | Other Segments [Member] | Other Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 5.00%   5.00%    
Maximum [Member] | Offshore Marine Services [Member] | Other Offshore Marine Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 33.30%   33.30%    
Maximum [Member] | Inland River Services [Member] | Other Inland River Services Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 51.80%   51.80%    
Maximum [Member] | Other Segments [Member] | Other Noncontrolling Interests [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 14.60%   14.60%    
U.S.-flag Product Tankers [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Unrecorded Unconditional Purchase Obligation, Maximum Quantity | equipment 3   3    
U.S.-flag Product Tankers [Member] | Shipping Services [Member] | Sea-Vista [Member]          
Noncontrolling Interests in Subsidiaries [Line Items]          
Unrecorded Unconditional Purchase Obligation, Maximum Quantity | equipment 3   3